# Triangle calculator SSS - result

Please enter the triangle sides:

### Acute scalene triangle.

Sides: a = 218.5   b = 224.5   c = 215.51

Area: T = 20844.9765942
Perimeter: p = 658.51
Semiperimeter: s = 329.255

Angle ∠ A = α = 59.50661001429° = 59°30'22″ = 1.03985773725 rad
Angle ∠ B = β = 62.29440037215° = 62°17'38″ = 1.08772354692 rad
Angle ∠ C = γ = 58.21998961356° = 58°12' = 1.01657798119 rad

Height: ha = 190.8010695121
Height: hb = 185.7011344695
Height: hc = 193.448787659

Median: ma = 191.0155294021
Median: mb = 185.7243834092
Median: mc = 193.5466144304

Inradius: r = 63.31095198007
Circumradius: R = 126.7876736729

Vertex coordinates: A[215.51; 0] B[0; 0] C[101.5888232797; 193.448787659]
Centroid: CG[105.6999410932; 64.48326255301]
Coordinates of the circumscribed circle: U[107.755; 66.81112010471]
Coordinates of the inscribed circle: I[104.755; 63.31095198007]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 120.4943899857° = 120°29'38″ = 1.03985773725 rad
∠ B' = β' = 117.7065996279° = 117°42'22″ = 1.08772354692 rad
∠ C' = γ' = 121.8800103864° = 121°48' = 1.01657798119 rad

# How did we calculate this triangle?

### 1. The triangle circumference is the sum of the lengths of its three sides ### 2. Semiperimeter of the triangle ### 3. The triangle area using Heron's formula ### 4. Calculate the heights of the triangle from its area. ### 5. Calculation of the inner angles of the triangle using a Law of Cosines ### 6. Inradius ### 7. Circumradius ### 8. Calculation of medians #### Look also our friend's collection of math examples and problems:

See more informations about triangles or more information about solving triangles.